generated from dellevin/template
418 lines
16 KiB
Dart
418 lines
16 KiB
Dart
import 'dart:async';
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import 'package:flutter/material.dart';
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import 'package:provider/provider.dart';
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import '../../providers/app_provider.dart';
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import '../../utils/user_prefs.dart';
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import '../../utils/sync/server_sync_service.dart';
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import '../../utils/sync/server_data_service.dart';
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import '../../utils/toast_util.dart';
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/// 服务端实时同步页面
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class ServerSyncPage extends StatefulWidget {
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const ServerSyncPage({super.key});
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@override
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State<ServerSyncPage> createState() => _ServerSyncPageState();
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}
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class _ServerSyncPageState extends State<ServerSyncPage> {
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final UserPrefs _prefs = UserPrefs();
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final _urlController = TextEditingController();
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final _codeController = TextEditingController();
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bool _syncEnabled = false;
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bool _isActivated = false;
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bool _isChecking = false;
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String _expiresText = '';
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Timer? _statusTimer;
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@override
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void initState() {
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super.initState();
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_loadSettings();
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}
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@override
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void dispose() {
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_urlController.dispose();
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_codeController.dispose();
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_statusTimer?.cancel();
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super.dispose();
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}
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void _loadSettings() {
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final url = _prefs.syncServerUrl;
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final code = _prefs.syncActivationCode;
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_urlController.text = url;
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_codeController.text = code;
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_isActivated = url.isNotEmpty && code.isNotEmpty;
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_syncEnabled = _isActivated && _prefs.syncEnabled;
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_updateExpiresText();
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if (_isActivated) _startStatusPolling();
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}
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void _updateExpiresText() {
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if (_prefs.syncIsPermanent) {
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_expiresText = '永久有效';
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} else {
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final exp = _prefs.syncExpiresAt;
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if (exp.isNotEmpty) {
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try {
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final dt = DateTime.parse(exp).add(const Duration(hours: 8));
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_expiresText = '有效期至 ${dt.year}-${dt.month.toString().padLeft(2, '0')}-${dt.day.toString().padLeft(2, '0')} '
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'${dt.hour.toString().padLeft(2, '0')}:${dt.minute.toString().padLeft(2, '0')}';
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} catch (_) {
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_expiresText = '有效期至 $exp';
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}
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} else {
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_expiresText = '';
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}
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}
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}
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void _startStatusPolling() {
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_statusTimer?.cancel();
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_statusTimer = Timer.periodic(const Duration(minutes: 1), (_) => _checkStatus());
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}
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Future<void> _checkStatus() async {
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if (!_isActivated) return;
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final result = await ServerSyncService.instance.checkActivation();
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if (!mounted) return;
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if (result == null || result['valid'] != true) {
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await _prefs.setSyncEnabled(false);
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setState(() {
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_isActivated = false;
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_syncEnabled = false;
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_expiresText = '激活码已失效';
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});
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if (mounted) ToastUtil.show(context, '激活码已失效，同步已关闭');
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} else {
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await _prefs.setSyncExpiresAt(result['expires_at'] ?? '');
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await _prefs.setSyncIsPermanent(result['is_permanent'] == true);
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_updateExpiresText();
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}
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}
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Future<void> _checkActivation() async {
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final url = _urlController.text.trim();
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final code = _codeController.text.trim().toUpperCase();
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if (url.isEmpty || code.isEmpty) {
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ToastUtil.show(context, '请输入服务器地址和激活码');
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return;
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}
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setState(() => _isChecking = true);
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await _prefs.setSyncServerUrl(url);
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await _prefs.setSyncActivationCode(code);
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final result = await ServerSyncService.instance.checkActivation();
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if (!mounted) return;
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setState(() => _isChecking = false);
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if (result != null && result['valid'] == true) {
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_isActivated = true;
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await _prefs.setSyncExpiresAt(result['expires_at'] ?? '');
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await _prefs.setSyncIsPermanent(result['is_permanent'] == true);
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_updateExpiresText();
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_startStatusPolling();
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await _prefs.setSyncEnabled(true);
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_syncEnabled = true;
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await ServerSyncService.instance.syncWithServer();
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if (mounted) ToastUtil.show(context, '激活成功，实时同步已开启');
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} else {
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final error = result?['error'] ?? '激活失败';
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if (mounted) ToastUtil.show(context, error.toString());
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}
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}
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Future<void> _toggleSync(bool value) async {
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if (value && _isActivated) {
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// 开启同步：合并本地与服务端数据
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await _prefs.setSyncEnabled(true);
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setState(() => _syncEnabled = true);
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if (mounted) ToastUtil.show(context, '正在同步数据...');
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await ServerSyncService.instance.syncWithServer();
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final provider = context.read<AppProvider>();
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await provider.loadMovies();
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await provider.loadBooks();
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await provider.loadNotes();
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if (mounted) ToastUtil.show(context, '同步已开启，数据已合并');
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} else {
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// 关闭同步：从服务器下载数据库和图片到本地
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if (mounted) ToastUtil.show(context, '正在从服务器下载数据...');
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final success = await ServerSyncService.instance.downloadToLocal();
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await _prefs.setSyncEnabled(false);
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setState(() => _syncEnabled = false);
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final provider = context.read<AppProvider>();
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await provider.loadMovies();
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await provider.loadBooks();
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await provider.loadNotes();
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if (mounted) {
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ToastUtil.show(context, success ? '数据已下载到本地' : '服务器无备份，保留本地数据');
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}
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}
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}
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Future<void> _disconnect() async {
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final confirm = await showDialog<bool>(
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context: context,
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builder: (ctx) {
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final colors = Theme.of(ctx).colorScheme;
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return AlertDialog(
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backgroundColor: colors.surface,
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shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(16)),
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title: const Text('断开连接', style: TextStyle(fontSize: 18, fontWeight: FontWeight.w600)),
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content: Text('将清除服务器配置和激活信息，确定要断开吗？',
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style: TextStyle(fontSize: 14, color: colors.onSurface.withValues(alpha: 0.6))),
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actions: [
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TextButton(
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onPressed: () => Navigator.pop(ctx, false),
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child: Text('取消', style: TextStyle(color: colors.onSurface.withValues(alpha: 0.4)))),
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TextButton(
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onPressed: () => Navigator.pop(ctx, true),
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child: const Text('确定', style: TextStyle(color: Color(0xFFE53935)))),
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],
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);
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},
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);
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if (confirm != true) return;
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_statusTimer?.cancel();
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await _toggleSync(false);
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await _prefs.setSyncServerUrl('');
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await _prefs.setSyncActivationCode('');
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await _prefs.setSyncExpiresAt('');
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await _prefs.setSyncIsPermanent(false);
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await _prefs.setSyncEnabled(false);
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setState(() {
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_isActivated = false;
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_syncEnabled = false;
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_expiresText = '';
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_urlController.clear();
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_codeController.clear();
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});
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if (mounted) ToastUtil.show(context, '已断开连接');
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}
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@override
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Widget build(BuildContext context) {
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final colors = Theme.of(context).colorScheme;
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return Scaffold(
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backgroundColor: colors.surfaceContainerHigh,
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appBar: AppBar(title: const Text('服务端实时同步')),
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body: ListView(padding: const EdgeInsets.all(20), children: [
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// 状态卡片
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Container(
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padding: const EdgeInsets.all(20),
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decoration: BoxDecoration(
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color: colors.surface,
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borderRadius: BorderRadius.circular(16),
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boxShadow: [
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BoxShadow(color: Colors.black.withValues(alpha: 0.03), blurRadius: 8, offset: const Offset(0, 2))
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],
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),
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child: Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
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Row(children: [
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Container(
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width: 10,
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height: 10,
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decoration: BoxDecoration(
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color: _isActivated
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? const Color(0xFF66BB6A)
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: colors.onSurface.withValues(alpha: 0.15),
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shape: BoxShape.circle)),
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const SizedBox(width: 10),
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Text(_isActivated ? '已激活' : '未激活',
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style: TextStyle(
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fontSize: 16,
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fontWeight: FontWeight.w600,
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color: _isActivated
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? const Color(0xFF66BB6A)
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: colors.onSurface.withValues(alpha: 0.3))),
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const Spacer(),
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if (_isActivated)
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GestureDetector(
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onTap: _disconnect,
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child: Container(
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padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 5),
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decoration: BoxDecoration(
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color: colors.surfaceContainerHighest, borderRadius: BorderRadius.circular(6)),
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child: const Text('断开',
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style: TextStyle(fontSize: 12, color: Color(0xFFE57373)))),
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),
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]),
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const SizedBox(height: 20),
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Text('服务器地址',
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style: TextStyle(fontSize: 12, color: colors.onSurface.withValues(alpha: 0.4))),
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const SizedBox(height: 6),
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TextField(
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controller: _urlController,
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style: TextStyle(fontSize: 14, color: colors.onSurface),
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decoration: _inputDeco(colors, '例: http://192.168.1.100:5000'),
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),
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const SizedBox(height: 14),
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Text('激活码',
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style: TextStyle(fontSize: 12, color: colors.onSurface.withValues(alpha: 0.4))),
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const SizedBox(height: 6),
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TextField(
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controller: _codeController,
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style: TextStyle(fontSize: 14, color: colors.onSurface),
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textCapitalization: TextCapitalization.characters,
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decoration: _inputDeco(colors, '例: MK-A1B2C3D4E5F6')),
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const SizedBox(height: 16),
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SizedBox(
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width: double.infinity,
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child: ElevatedButton(
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onPressed: _isChecking ? null : _checkActivation,
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style: ElevatedButton.styleFrom(
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backgroundColor: colors.primary,
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foregroundColor: colors.onPrimary,
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disabledBackgroundColor: colors.onSurface.withValues(alpha: 0.15),
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elevation: 0,
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shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(10)),
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padding: const EdgeInsets.symmetric(vertical: 13)),
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child: _isChecking
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? SizedBox(
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width: 20,
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height: 20,
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child: CircularProgressIndicator(strokeWidth: 2, color: colors.onPrimary))
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: Text(_isActivated ? '重新验证' : '验证激活',
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style: const TextStyle(fontSize: 14, fontWeight: FontWeight.w600)),
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),
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),
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if (_expiresText.isNotEmpty) ...[
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const SizedBox(height: 12),
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Center(
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child: Row(mainAxisSize: MainAxisSize.min, children: [
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Icon(Icons.access_time,
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size: 14,
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color: _prefs.syncIsPermanent
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? const Color(0xFF66BB6A)
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: const Color(0xFFFF9800)),
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const SizedBox(width: 6),
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Text(_expiresText,
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style: TextStyle(
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fontSize: 13,
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fontWeight: FontWeight.w500,
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color: _prefs.syncIsPermanent
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? const Color(0xFF66BB6A)
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: const Color(0xFFFF9800))),
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])),
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],
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]),
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),
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const SizedBox(height: 16),
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// 同步开关
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Container(
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padding: const EdgeInsets.all(20),
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decoration: BoxDecoration(
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color: colors.surface,
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borderRadius: BorderRadius.circular(16),
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boxShadow: [
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BoxShadow(
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color: Colors.black.withValues(alpha: 0.03), blurRadius: 8, offset: const Offset(0, 2))
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]),
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child: Row(children: [
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Container(
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width: 44,
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height: 44,
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decoration: BoxDecoration(
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color: colors.surfaceContainerHighest, borderRadius: BorderRadius.circular(10)),
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child: Icon(_syncEnabled ? Icons.sync : Icons.sync_disabled,
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color: _syncEnabled
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? colors.primary
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: colors.onSurface.withValues(alpha: 0.25),
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size: 22)),
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const SizedBox(width: 14),
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Expanded(
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child: Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
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Text('服务端实时同步',
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style: TextStyle(
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fontSize: 15, fontWeight: FontWeight.w500, color: colors.onSurface)),
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const SizedBox(height: 2),
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Text(_syncEnabled ? '使用服务端数据，多设备实时共享' : '关闭后下载数据到本地使用',
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style: TextStyle(fontSize: 12, color: colors.onSurface.withValues(alpha: 0.3))),
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])),
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Switch(
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value: _syncEnabled,
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onChanged: _isActivated ? _toggleSync : null,
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activeThumbColor: colors.primary,
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activeTrackColor: colors.primary.withValues(alpha: 0.3),
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inactiveThumbColor: colors.surface,
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inactiveTrackColor: colors.outline),
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]),
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),
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const SizedBox(height: 24),
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// 说明
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Container(
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padding: const EdgeInsets.all(18),
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decoration: BoxDecoration(
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color: colors.surface,
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borderRadius: BorderRadius.circular(14),
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boxShadow: [
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BoxShadow(
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color: Colors.black.withValues(alpha: 0.03), blurRadius: 6, offset: const Offset(0, 2))
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]),
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child: Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
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Row(children: [
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Container(
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width: 36,
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height: 36,
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decoration: BoxDecoration(
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color: colors.surfaceContainerHighest, borderRadius: BorderRadius.circular(8)),
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child: Icon(Icons.info_outline,
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size: 18, color: colors.onSurface.withValues(alpha: 0.6))),
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const SizedBox(width: 10),
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Text('使用说明',
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style: TextStyle(
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fontSize: 14, fontWeight: FontWeight.w600, color: colors.onSurface)),
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]),
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const SizedBox(height: 14),
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_infoItem(colors, '1. 在服务端管理后台生成激活码'),
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const SizedBox(height: 8),
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_infoItem(colors, '2. 输入服务器地址和激活码完成验证'),
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const SizedBox(height: 8),
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_infoItem(colors, '3. 验证通过后自动开启实时同步'),
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const SizedBox(height: 8),
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_infoItem(colors, '4. 开启时所有数据通过服务端接口操作'),
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const SizedBox(height: 8),
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_infoItem(colors, '5. 关闭时从服务端下载数据到本地使用'),
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]),
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),
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const SizedBox(height: 40),
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]),
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);
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}
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InputDecoration _inputDeco(ColorScheme colors, String hint) {
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return InputDecoration(
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hintText: hint,
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hintStyle: TextStyle(fontSize: 13, color: colors.onSurface.withValues(alpha: 0.25)),
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filled: true,
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fillColor: colors.surfaceContainerHigh,
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contentPadding: const EdgeInsets.symmetric(horizontal: 14, vertical: 12),
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border: OutlineInputBorder(borderRadius: BorderRadius.circular(10), borderSide: BorderSide.none),
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focusedBorder: OutlineInputBorder(
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borderRadius: BorderRadius.circular(10),
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borderSide: BorderSide(color: colors.primary, width: 1)),
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);
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}
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Widget _infoItem(ColorScheme colors, String text) {
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return Row(crossAxisAlignment: CrossAxisAlignment.start, children: [
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Container(
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width: 5,
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height: 5,
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margin: const EdgeInsets.only(top: 6),
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decoration: BoxDecoration(
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color: colors.onSurface.withValues(alpha: 0.3), shape: BoxShape.circle)),
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const SizedBox(width: 10),
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Expanded(
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child: Text(text,
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style: TextStyle(
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fontSize: 13, color: colors.onSurface.withValues(alpha: 0.5), height: 1.5))),
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]);
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}
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}
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